ESG) principles emerged as a major focus of COP26, the United Nations Climate Change Conference, which wraps up on Nov. 12.But the international rendezvous of government and industry leaders has also become a catalyst for criticism about so-called “greenwashing” in the financial industry.“Sustainable investing boils down to little more than marketing hype, PR spin and disingenuous promises from the investment community,” Tariq Fancy, the former chief investment officer of sustainable investing at financial giant BlackRock wrote in an opinion piece for USA Today in March.